Wikisimpsons - The Simpsons Wiki
- A ^Voiced means the character was voiced.
- A ^Cameo means the character had a background cameo only.
- A ^Costume means a character was wearing a costume of this character.
- A ^Mentioned means the character was mentioned.
- A ^Picture means the character appeared in a picture only.
- Any unmarked characters were non-speaking but had roles in the episode other than background cameos.